RATIONAL USA Designates Corporate Chefs for New Product 

iHexagon RATIONAL USA
iHexagon RATIONAL

RATIONAL USA, the leading manufacturer of intelligent cooking equipment for commercial foodservice, is pleased to announce the following promotions and additions:

David Johnivin RATIONAL
David Johnivin
  • David Johnivin has been promoted to Corporate Chef, iHexagon. Prior to this, Johnivin was the Regional Sales Manager for Minnesota, Wisconsin, and the Dakotas. Now, Johnivin will be reporting to Paul Milione, Director of Product Management.
Zac Lennox RATIONAL
Zac Lennox
  • Zac Lennox has joined RATIONAL as Corporate Chef, iHexagon. Prior to joining RATIONAL, Zac was working at Palacios Murphy. He will be reporting to Paul Milione, Director of Product Management.

“With the iHexagon, we’re redefining the future of professional kitchens, pairing cutting-edge innovation with the trusted culinary support RATIONAL is known for,” said Paul Milione, Director of Product Management.

“This state-of-the-art technology isn’t just about transforming how food is prepared; it’s about empowering chefs with the tools, expertise, and guidance they need to push boundaries, inspire creativity, and consistently deliver excellence on the plate.”

“At RATIONAL, we believe that innovation is only as strong as the support behind it, and with the iHexagon, you’ll have both. Expanding our resources ensures that as we revolutionize the way kitchens operate, we also deliver the hands-on guidance and expertise our customers deserve.”

  • Modern Line Furniture
  • Red Gold BBQ
  • BelGioioso Burrata
  • ERA Group
  • SFA Winter Fancy Faire 2026
  • Imperial Dade
  • The NAMA Show
  • RATIONAL USA
  • Barilla Professional Pasta
  • Easy Ice
  • Day & Nite

About RATIONAL: The RATIONAL Group is the world market and technology leader in the field of hot food preparation for professional kitchens. Founded in 1973, the company employs more than 2,500 people worldwide.

RATIONAL is listed on the Prime Standard of the German Stock Exchange and is included in the SDAX.

To learn more about RATIONAL products and services, attend a RATIONAL Live event to see how we help commercial kitchen operators do more with less space, waste, energy, cost, and stress.

  • Red Gold BBQ
  • Imperial Dade
  • RATIONAL USA
  • Barilla Professional Pasta
  • BelGioioso Burrata
  • Modern Line Furniture
  • The NAMA Show
  • Day & Nite
  • SFA Winter Fancy Faire 2026
  • ERA Group
  • Easy Ice
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